JP3465134B2 - Civil engineering structures using assembled concrete blocks - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a civil engineering structure using an assembled concrete block for civil engineering, which is constructed by assembling and connecting a plurality of block units and is used for wave breaking, aquaculture of seafood and root consolidation.

[0002]

2. Description of the Related Art Conventionally, a large number of breakwaters and coastal levees are placed on the entire surface to disperse and absorb the energy of waves that rush in the space of the block layer to weaken wave force and prevent scouring of coastal levees and river beds For the purpose, square blocks made of concrete and irregular blocks such as those known by the trademark Tetrapot are often used. These are integrally formed and have various shapes, and some of them are heavy and weigh up to several tens of tons.

Further, as a connected body of concrete blocks, there is a one-step surface-shaped one described in Japanese Patent Publication No. 7-42689 invented by the present applicant. This concrete block connection body is aligned with the shaft hole while reaching the ends of the plurality of short block units and the long block unit, penetrates the connection rod into the shaft hole, tightens both ends,
The blocks are formed into a bendable chain-like structure, and the block-connected body in the chained state is assembled so that the end faces of the short block and the long block are aligned at the front end and the rear end, respectively.

[0004]

The conventional monolithic concrete block can be easily manufactured by pouring concrete into a molding die, but the manufacturing cost can be reduced.
Since the mold for modeling is also large and the weight of the block is heavy, there is a problem that the production place is limited and a large vehicle or large heavy equipment is required for transportation and loading to the site. Therefore, there is a problem that when there is a strong external force such as a wave, there is no place for the force to escape and it may move or fall.

Further, in the above-mentioned concrete block connection body, since it is a combination of block units, there is no limitation on the manufacturing place of the block units, and if the assembly is carried out on site, it can be easily transported or carried to the site. However, since it is a two-dimensional structure that simply covers the surface, there is a problem in that the effect itself as a three-dimensional three-dimensional structure that directly disperses and absorbs the energy of waves that hit the block itself is small.

[0006] An object of the present invention is to provide an assembled concrete block that forms a three-dimensional structure in which block units are assembled and connected to directly disperse and absorb the energy of waves that hit against each other, and a civil engineering structure using the block. is there.

[0007]

A civil engineering structure using an assembled concrete block according to the present invention is provided with at least one of a plurality of short block units and a plurality of long block units in each block unit. A civil engineering prefabricated concrete block comprising a spacer member sandwiched therebetween and connected in a plurality of rows by a connecting member through a connecting hole formed in a lateral direction of the block unit in a direction perpendicular to the block unit. Each of the short block unit and the long block unit is formed in a rectangular parallelepiped including upper and lower surfaces having trapezoidal convex portions on both sides in contact with an end surface, both side surfaces, and both end surfaces. The unit has two connecting holes and the long block unit has three connecting holes, and the connecting holes include the upper surface and the lower hole. Provided perpendicularly to the side in an intermediate position between, all the distance between the centers of the connecting holes are the same,
The end surface is located at a position such that the distance between the line of intersection between the end surface and the upper and lower surfaces and the center of the connecting hole closest to the end surface is approximately ½ of the distance between the centers of the connecting holes. Formed,
The distance between the top surfaces of the trapezoidal convex portions provided on the upper surface and the lower surface is substantially equal to the distance between the centers of the connecting holes, and the distance between the top surfaces of the trapezoidal convex portions provided on the upper surface and the lower surface, An assembled concrete block in which the upper and lower surfaces and a trapezoidal top surface are formed so that the sum of the distance between the upper surface and the lower surface is approximately 1.73 times the distance between the centers of the connecting holes. The centers of the connecting holes of the short block unit and the long block unit are arranged in parallel on the upper and lower two rows of four, respectively, and the centers of the connecting holes on the upper and lower lines form an equilateral triangle. Are arranged as described above, and one long block unit is arranged in each of the upper and lower rows corresponding to the centers of the three connection holes from the center of the connection holes at one end of the upper row and the lower row,
A combination of a first one row in which the one short block unit inclined by 60 degrees is arranged corresponding to the center of each one of the connecting holes at the other ends of the upper row and the lower row, and the first row. 3 from the center of the connecting holes at the ends of the upper row and lower row on the opposite side of the combination of
One of the long block units is arranged above and below corresponding to the center of each connecting hole, and one long block unit is inclined at 60 degrees corresponding to the center of each one connecting hole at the other ends of the upper row and the lower row. The combination of the second row in which the short block units are arranged is arranged in a predetermined arrangement so that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are spacer members between desired rows. It is an assembled concrete block that is tightened with the connecting member across the
To form the assembled concrete block.
The outer surfaces of the knit, formed from the upper and lower surfaces, touch each other.
Are continuously arranged as described above,
Ncrete block is on the bottom of the seabed including one or more rows of riverbed
A civil engineering structure using an assembled concrete block for civil engineering characterized by being installed side by side.
It Another invention is a plurality of short block units,
At least one of the plurality of long block units is connected to a plurality of rows by a connecting member with a spacer member provided in each block unit sandwiched therebetween and through a connecting hole formed in the side surface of the block unit at right angles. Together with a three-dimensionally assembled concrete block for civil engineering, the short block unit and the long block unit are both in contact with the end face and both upper and lower sides having trapezoidal convex portions, and both side faces. And the both end faces, the short block unit has two connecting holes, the long block unit has three connecting holes, and the connecting hole has the upper surface. Is provided at an intermediate position between the lower surface and the lower surface at a right angle to the side surface, the distances between the centers of the connecting holes are all the same, and the end surface is
The line of intersection between the end face and the upper and lower faces and the center of the connecting hole closest to the end face is formed at a position that is approximately ½ of the distance between the centers of the connecting holes. And the distance between the top faces of the convex portions of the trapezoid provided on the lower surface and the center of the connecting hole is substantially equal to the distance between the top faces of the convex portions of the trapezoid provided on the upper surface and the lower surface, and The sum of the distance between the upper surface and the lower surface is approximately 1.73 of the distance between the centers of the connecting holes.
A set in which the upper and lower surfaces and the trapezoidal top surface are formed so as to double
It is a standing concrete block, and the centers of the connecting holes of the short block unit and the long block unit are arranged in parallel in two straight lines, three in the upper row and four in the lower row. The centers of the connecting holes on the straight line are arranged so as to form an equilateral triangle. From the center of the connecting holes at one end of the upper row and the lower row, the upper row corresponds to the centers of the two connecting holes, and In the short block unit, one lower block unit is arranged in the lower row corresponding to the centers of the three connecting holes, and one long block unit is arranged in the lower row corresponding to the centers of the connecting holes at the other ends respectively. And a first one-row combination in which the one short block unit inclined by 60 degrees is arranged,
A second one arranged in line symmetry with the first one row combination
The combination of rows is arranged in a predetermined arrangement so that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are tightened by the connecting members with a spacer member sandwiched between the desired rows. Is a trapezoidal assembled concrete block , and a block forming the assembled concrete block.
The outer surfaces of the lock unit, which are formed from the upper and lower surfaces, are
Before they are placed consecutively and in contact with each other
The bottom of the assembly concrete block containing one or more rows of riverbed
Characterized by being installed side by side on the ground
Civil structure using assembled concrete blocks for civil engineering
Thing .

Another aspect of the present invention is that a plurality of long block units are sandwiched by spacer members provided in each block unit, and a plurality of rows are formed by the connecting members through connecting holes formed at right angles in the side surfaces of the block units. A civil engineering prefabricated concrete block, which is connected to a three-dimensionally integrated body, wherein the long block unit comprises:
Each of them is formed into a rectangular parallelepiped composed of upper and lower surfaces having a trapezoidal convex portion on both sides in contact with the end surface, both side surfaces, and both end surfaces, and the long block unit has three connecting holes. The connecting hole is provided at an intermediate position between the upper surface and the lower surface at a right angle to the side surface, the distances between the centers of the connecting holes are all the same, and the end surface has an intersection of the end surface and the upper and lower surfaces. The distance between the line and the center of the connecting hole that is closest to the end face is formed at a position that is approximately ½ of the distance between the centers of the connecting holes, and the trapezoidal shape of the trapezoid provided on the upper surface and the lower surface is formed. The distance between the top surfaces of the convex portions is almost equal to the distance between the centers of the connecting holes, and the distance between the top surfaces of the trapezoidal convex portions provided on the upper surface and the lower surface and the distance between the upper surface and the lower surface are The sum of the upper and lower surfaces and the top surface of the trapezoid are approximately 1.73 times the distance between the centers of the connecting holes. It made the assembled concrete blocks
The spacer part is attached to multiple long block units.
Provided at right angles to the side of the block unit with the material sandwiched
Connected in multiple rows by connecting members through the provided connecting holes.
As well as three-dimensionally assembled assembly concrete
In lied block, sequences of the center of the coupling hole of the length block units, so as to form an equilateral triangle to one side of the line segment connecting the four coupling holes arranged in a line, three of the first column A first one-row combination in which the long block units are arranged such that the centers of the connection holes at the ends of the adjacent long block units coincide with each other on an extension line connecting the centers of the respective connection holes; And a second one-row combination arranged in line symmetry are arranged in a predetermined arrangement so that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are arranged in a desired manner. is clamped in the connecting member across the spacer member between the rows, the whole is a combination elevational concrete block formed in a triangular shape, the said set upright concrete block
Outside of the upper and lower surfaces of the block unit to be formed
Faces are in contact with each other and are placed consecutively.
One or more rows of the assembled concrete blocks placed on the riverbed
Which are installed side by side on the subsoil including
Using an assembled concrete block for civil engineering characterized by
Civil engineering structures. In the assembled concrete block according to the present invention, long and short block units are connected in parallel at predetermined intervals to form an integrated concrete block, and the integrated assembled concrete block includes an inter-block unit. With a regular triangular shape that can not rotate at all, and a trapezoidal shape where the block units can rotate slightly around the axis of the connecting member,
Adjacent block units having various shapes and functions can be formed, such as a rhombic shape in which the block units can rotate by 60 °.

[0009] In an assembled concrete block having an equilateral triangle shape that cannot be rotated at all between the block units, the block units in each row are held at a predetermined interval by spacers, so that the upper surface of the block unit has a wave. When colliding, the wave is cut off at this surface, and a small triangular opening is formed in the center along with the outer triangle formed by the block unit on the side of the block unit, and it also penetrates in the middle between the block unit connecting holes. By providing the horizontal holes, the waves colliding from the side direction are agitated and the energy thereof is well absorbed.

Although the trapezoidal shape in which the block units can be slightly rotated around the axis of the connecting member and the rhombic shape in which the block units can be rotated by 60 ° are almost the same as the equilateral triangular shape in terms of the action and effect. The fact that a part of the block unit constituting the assembled concrete block can rotate means that the assembled concrete block can be deformed to some extent by an external force. That is, by deformation,
The external force will be absorbed accordingly.

Even if the object is deformed, it is safe if the center of gravity is stable and does not move. The trapezoidal shape and the diamond shape have their center of gravity on the bottom surface within the range of rotation of the block unit. Therefore, the assembled concrete block of the present invention meets this condition exactly mechanically.

Further, the long and short block units have large trapezoidal convex portions on the upper and lower surfaces thereof, respectively, which are integrated with the main body by 2
Since three or three pieces are provided so as to project, the assembled concrete block of the present invention has a large number of irregularities on the entire circumference in the upper, lower, left, and right sides as a whole of the connected body, and it is a large eraser as an assembled concrete block as a connected body. In addition to having a wave effect, when the assembled concrete blocks are stacked and installed, the convex and concave parts on the left, right, top and bottom are engaged with each other, so that a stable and stable loading structure can be efficiently constructed. Become.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an external view of a block unit used in the first embodiment of the present invention.
(A) is a perspective view of the short block unit, (b) is a side view of the short block unit, (c) is an end view of the short block unit, (d) is a perspective view of the long block unit, (e).
[Fig. 3] is a side view of the long block unit, and (f) is an end view of the long block unit. In the figure, reference numeral 11 is a short block unit, 12 is a long block unit, 13 is a trapezoidal convex portion,
Reference numeral 14 is a concave portion, 15 is a spacer portion, 16 is a connecting hole, and 17 is a lateral hole.

The assembled concrete block according to the present invention comprises a short block unit 11 made of concrete as shown in FIGS. 1 (a), 1 (b) and 1 (c), and longer ones shown in FIGS. 1 (d), 1 (e), Since concrete long block units 12 as shown in (f) are tightly formed by combining and connecting members, the shapes of these block units will be described first.

The short block unit 11 is composed of an upper and lower surface, both side surfaces, and both end surfaces, and is a substantially rectangular parallelepiped that is long in the front and rear direction, and trapezoidal convex portions 13 are formed at positions contacting both end portions of the upper and lower surfaces. A large concave portion 14 is formed between the trapezoidal convex portions 13 on both ends of the upper and lower surfaces.
Further, two connecting holes 16 are formed at an intermediate position between the upper and lower surfaces of the side surface with a predetermined interval between the center lines at right angles to the side surface, and the conical trapezoidal spacer surrounds the connecting hole 16 and is formed on one side surface. The portion 15 is integrally projected, and a lateral hole 17 penetrating the short block unit 11 is formed at an intermediate side surface of the two connecting holes 16 at right angles to the side surface.

The long block unit 12 also has a substantially rectangular parallelepiped which is composed of upper and lower surfaces, both side surfaces, and both end surfaces, and has a trapezoidal convex shape at each of the positions contacting both end portions of the upper and lower surfaces and the central portion. The portion 13 is formed, and a large concave portion 14 is formed between the trapezoidal convex portions 13 on each of the upper and lower surfaces. Further, three connecting holes 16 are formed at a middle position between the upper and lower surfaces of the side surface with a predetermined interval between the center lines and are formed at right angles to the side surface. The portion 15 is integrally projected, and two lateral holes 17 penetrating the long block unit 12 at right angles to the side surfaces are formed in the intermediate side surface of two adjacent connecting holes 16.

The distances between the centers of the connecting holes 16 provided in the short block unit 11 and the long block unit 12 are all the same. The end face is a line of intersection between the end face and the upper and lower faces,
The distance from the center of the connecting hole 16 closest to the end face is formed at a position that is approximately 1/2 of the distance between the centers of the connecting holes 16. Trapezoidal protrusions 13 provided on the upper and lower surfaces
Is approximately equal to the distance between the centers of the connecting holes 16, and the sum of the distance between the upper surfaces of the trapezoidal convex portions provided on the upper and lower surfaces and the distance between the upper surface and the lower surface is The top and bottom surfaces and the trapezoidal top surface are formed to be approximately 1.73 times the distance between the centers. The short block unit 11 and the long block unit 12 have the same width.

By forming the short block unit 11 and the long block unit 12 in such a dimensional relationship, the short block unit 11 and the long block unit 12 are formed.
When an assembled concrete block is constructed by combining and, the block units in the same row support each other to maintain a stable shape without imposing an excessive load on the connecting member, and easily rotate in a rotatable form. It becomes possible.

In the present embodiment, the spacer portion 15 is formed integrally with the block unit, but it may be attached as an independent member between the block units during assembly. In addition, the horizontal hole 17 and the long block unit 12
Even if there is no trapezoidal convex portion 13 at the center, it does not hinder the assembling of the assembled concrete block and can be omitted.

FIG. 2 is an outline view of a parallelogram-shaped assembled concrete block according to the first embodiment of the present invention.
(A) is a side view, (b) is an end view, (c) is a side view of a row B block unit, and (d) is an end view of a different arrangement. In the figure, reference numeral 11 is a short block unit, 12 is a long block unit, 18 is a connecting member, 20 is a parallelogram-shaped assembled concrete block, 21 is an A row, and 22 is a B row.

In the diamond-shaped assembled concrete block 20 of the present embodiment, the short block unit 11 and the long block unit 1 which constitute the assembled concrete block 20.
The center of the connecting hole 16 with 2 is arranged on each of two parallel upper and lower two straight lines, and four connecting holes 1 are formed on the upper and lower straight lines.
The centers of 6 are arranged so that each forms an equilateral triangle. Three connecting holes 16 from the center of the connecting holes 16 at one end of the upper row and the lower row, the side surfaces of which are shown in FIG.
One long block unit 12 is arranged at the upper and lower sides corresponding to the center of each, and one short block unit is inclined at 60 degrees corresponding to the center of each one connecting hole 16 at the other ends of the upper row and the lower row. The combination of the A rows 21 in which 11 are arranged and 3 from the center of the connecting holes 16 at one end of the upper row and the lower row on the opposite side to the A rows 21 whose side surface is shown in FIG.
One long block unit 12 is arranged in each of the upper and lower parts corresponding to the center of each connecting hole 16, and is inclined by 60 degrees corresponding to the center of each one connecting hole 16 at the other ends of the upper row and the lower row. B row 2 in which one short block unit 11 is arranged
There are two combinations. The A row 21 and the B row 22 are arranged in a predetermined arrangement so that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are tightened by the connecting member 18 with the spacer portion 15 interposed between the rows. An assembled concrete block 20 having a parallelogram shape is formed. The connecting member 18 is usually a combination of bolts and nuts having a predetermined strength and length.

By arranging in this way, the long block unit 12 constituting the horizontal portion is overlapped so that the upper and lower trapezoidal convex portions 13 and the concave portion 14 mesh with each other, and the short block unit 11 is placed on one of the slopes. It will be. The gaps between the block units in each row are blocked in the lateral direction by the block units in another row as shown in FIG. Further, in this case, the short block units 11 arranged at an angle of 60 degrees parallel to each other about the axis of the connecting member 18 are both about 6
It is possible to make a line-symmetrical parallelogram by rotating it 0 times. When an external force acts and tries to rotate the block unit, the external force must do its work. Therefore, the assembled concrete block of the present invention absorbs an external force while the block unit itself is displaced. FIG. 2B shows a row B 2 between a row A 21 of two rows.
2 shows a state in which two columns are arranged to form a three-column configuration, but any combination of two columns or four or more columns can be used. FIG. 2 (d) shows that all the spacer portions 15 of the block unit in the outer row A are directed outward, and when the main assembly concrete blocks 20 are continuously arranged in a plurality of rows, they are easily locked to each other at the adjacent portions. The advantage that

FIG. 3 is an outline view of an assembled concrete block of a diamond-shaped application example of the first embodiment. (A) is a side view, (b) is an end view, and (c) is a block in row B. It is a side view of a unit. In the figure, reference numeral 11 is a short block unit, 18 is a connecting member, 25 is a parallelogram-shaped assembled concrete block, 26 is an A row, and 27 is a B row.

The parallelogram-shaped assembled concrete block of FIG. 3 is formed by combining only the short block unit 11 with the assembled concrete block of the first embodiment of FIG. Since the function is the same except that the length is shortened, the description is omitted.

FIG. 4 is an outline view of a trapezoidal assembled concrete block according to the second embodiment of the present invention. (A) is a side view, (b) is an end view, and (c) is a block in row B. It is a side view of a unit. In the figure, reference numeral 11 is a short block unit, 12 is a long block unit, 18 is a connecting member, 30
Is trapezoidal assembled concrete block, 31 is row A, 3
2 is column B.

In the trapezoidal assembled concrete block 30 according to the second embodiment of the present invention, the center of the connecting hole 16 of the short block unit 11 and the long block unit 12 constituting the assembled concrete block 30 is parallel to each other. Two
Three on the straight line of the row and three on the lower row, and four on the lower row. The centers of the connecting holes 16 on the upper and lower straight lines are arranged so as to form an equilateral triangle. From the center of the connecting holes 16 at one end of the upper row and the lower row, the upper row corresponds to the center of the two connecting holes 16 and one short block unit 11 corresponds, and the lower row corresponds to the center of the three connecting holes 16 Then, one long block unit 12 is arranged, and one long block unit 12 is provided at each of the other ends of the upper row and the lower row.
The row A in which one short block unit 11 inclined by 60 degrees is arranged corresponding to the center of each connection hole 16 and the row B in which the combination of rows A and the line symmetrically arranged are arranged in a predetermined arrangement. The corresponding corresponding connecting holes 16 are arranged so as to coincide with each other, and the connecting holes 16 are tightened by the connecting members 18 with the spacer portion 15 interposed between the rows to form a trapezoidal assembled concrete block 30. It

The trapezoidal assembled concrete block 30 of the present invention can be rotated about the axis of the connecting member 18 by the amount of allowance between the blocks. Therefore, it is possible to obtain the same mechanical effect against external force as that of the parallelogram-shaped assembled concrete block.

FIG. 5 is an outline view of a triangular concrete-fabricated concrete block according to the third embodiment of the present invention.
Is a side view, (b) is an end view, and (c) is a side view of a block unit in row B. In the figure, reference numeral 12 is a long block unit, 18 is a connecting member, 40 is a triangular assembled concrete block, 41 is an A row, and 42 is a B row.

In the triangular assembled concrete block 40 according to the third embodiment of the present invention, the central array of the connecting holes 16 of the long block unit 12 constituting the assembled concrete block 40 is arranged in a straight line. They are arranged so as to form an equilateral triangle having a line segment connecting the individual connection holes 16 as one side. The first A in which three long block units 12 in one row are arranged so that the centers of the connection holes 16 at the ends of the adjacent long block units 12 are aligned on the extension line connecting the centers of the respective connection holes 16 The rows and the combinations of the rows A and the rows B arranged in line symmetry are arranged in a predetermined arrangement so that the corresponding corresponding connecting holes 16 are aligned with each other, and the connecting holes 16 are arranged in rows. The spacer member 15 is sandwiched between them, and the members are tightened by the connecting member 18 to form the triangular assembled concrete block 40.

Assembled concrete block 40 in the shape of an equilateral triangle that cannot rotate between block units at all.
Since the block units in each row are held at a predetermined interval by the spacer portion 16, when a wave collides with the upper surface of the block unit, the wave is cut off at this surface,
Further, on the side surface side of the block unit, an opening portion of a small triangle is formed in the center together with an outer triangle formed by the block unit, and further, by providing a lateral hole 17 that penetrates in the middle between the block unit connecting holes, The waves that collide from the side are agitated and their energy is well absorbed.

Next, a civil engineering structure using the assembled concrete block for civil engineering of the present invention will be described. FIG. 6 is a side view of a civil engineering structure using the parallelogram-shaped assembled concrete block according to the first embodiment, and is denoted by reference numeral 2 in the figure.
0 and 25 are parallelogram-shaped concrete blocks, 61
A rubble foundation, 62 a large stone, 63 a top of a rubble, 64 a slope of a rubble, and 65 a connecting block.

FIG. 6 shows the first block of the short block units 11 as the first row on the tip surface of the rubble foundation 61 formed of the large quarry stones 62, based on the connecting block in which the short block unit 11 and the long block unit 12 are combined. And the long block unit 12 are combined in parallel quadrangular assembled concrete blocks 20 in two steps so that the side faces are in contact with the tip surface of the rubble foundation 61 and the height exceeds the top 63 of the rubble stone. A parallelogram-shaped assembled concrete block 25 formed by only the short block unit 11 so that its end face is in contact with the other side surface of the diamond-shaped assembled concrete block 20 corresponding to the sloped surface 64 of the rubble stone as the second row. Are continuously arranged in a single stage to form a civil engineering structure for protecting the rubble foundation 61. By arranging the assembled concrete blocks continuously at the ends and corners of the rubble foundation 61 in this manner, the rubble of the corners can be prevented from flowing out in the first and second rows, and at the same time, the wave-dissipating effect can be obtained. It can be demonstrated. The one shown in this figure is an example, and various combinations are conceivable according to the local situation.

FIG. 7 is a side view of a civil engineering structure using a triangular assembled concrete block of the third embodiment. In the figure, reference numeral 40 is a triangular assembled concrete block, 70 is a bank, and 71 is Lattice-breaking laying material, 72 is a triangular cavity, 73 is rubble stone, 74 is cast concrete,
75 is a connected concrete block and 76 is a large stone.

FIG. 7 shows an example of a dam body using the triangular shaped concrete concrete block 40 of the present invention.
Alternatively, a grid-shaped wave-dissipating material 71 (Japanese Patent Publication No. 8-1
9658) is installed, and the outer surfaces formed from the upper and lower surfaces of the short-and-long block units 11 and 12 forming the assembled concrete block 40 are arranged in several rows so as to be in contact with each other, or stacked. The triangular-shaped assembled concrete block 40 of the present invention itself has a porosity of about 47%, and since the actual product weighs several tens of tons, it is a stable and excellent wave-dissipating structure. Moreover, the triangular cavity 72 at the center of the body also serves as a good fish reef. When the triangular assembled concrete blocks 40 are installed with their bottoms aligned, even if the triangular concrete blocks 40 are inverted and inserted between the adjacent triangular assembled concrete blocks 40 as shown in the first step of FIG. Alternatively, as in the second step of FIG. 7, a rubble 73 having a size not to be pulled out from the gap of the triangular concrete block 40 may be filled. In this case, it is desirable that the cast-in-place concrete 74 is installed and pressed on the upper part so that the rubble is not blown off at the uppermost part. In addition, in order to prevent the quarry stone 73 from falling off from the side surface, the triangular shaped concrete block 40 which is set upside down at both ends.
It is enough to place.

Furthermore, around the foundation of the dam body 70 formed by the triangular assembled concrete blocks 40, in order to reduce the influence of scouring due to waves and flows, a concrete block connected on the lattice-shaped wave-dissipating laying material 71. Laying 75,
When about 300 kg of large rubble 76 is thrown into the bank 70, the load of the connecting concrete block 75 is dispersed by the lattice-shaped wave-dissipating laying material 71, so that it sinks substantially horizontally, and accordingly, the large rubble 76 also. As it sinks, scouring on the lower surface of the bank 70 is suppressed to a minimum.

FIG. 8 is a side view of another civil engineering structure using the triangular assembled concrete block of the third embodiment. In the figure, reference numeral 40 is a parallelogram-shaped concrete block, 80 is a weir, and 82 is a weir. Is a triangular cavity, 83 is a foundation rubble, and 89 is earth and stone.

FIG. 8 shows an embodiment of a weir using the triangular shaped concrete block 40 of the present invention. A short long block in which the triangular concrete block 40 forms the assembled concrete block 40 so as to cross a river. It is a weir formed by arranging on the foundation quarry stone 83 so that the outer surfaces formed from the upper and lower surfaces of the units 11 and 12 are in contact with each other. When dammed with a completely solid structure without voids,
It is known that fish cannot go up and is not good for the natural environment. Since the assembled concrete block of the present invention has a gap, the debris 89 flown from the upstream is accumulated on the upstream side or is clogged between the block units to form a weir having a small gap. Therefore, it has the effect of damming the river water to some extent, and at the same time, the momentum of the overflowing flow is weakened, which makes it easier for the fish to go up, and the small gaps make it a great habitat for small aquatic animals. It will restore the natural environment.

[0038]

As described above, since the assembled concrete block according to the present invention forms a row by combining long and short block units having dimensions and shapes that can be combined with each other, it can be formed into various shapes such as a parallelogram, a trapezoid, and a triangle. The shape of the concrete block can be formed by combining the columns which are line-symmetrical and combined in parallel with each other at a predetermined interval so as to be integrated to form an assembled concrete block with only a connecting member penetrating the connecting hole. There is an effect that many types of assembled concrete blocks can be created only by combining two types of block units and connecting members corresponding to the number of rows.

Further, since it is only necessary to prepare two types of block units and connecting members corresponding to the number of rows, mass production in a factory is possible, and since individual members are lightweight, they can be easily transported and assembled, and the cost can be reduced. There is an effect that can be.

The block units in each row are held at predetermined intervals by spacers, and trapezoidal protrusions are provided on the upper surfaces of the block units. The surface is cut into pieces, and further, on the side surface side of the block unit, there is a lateral hole penetrating in the middle between the block unit connecting holes,
Since the triangular shaped concrete block also has a triangular space formed in the center, the waves that collide from the side direction are agitated and their energy is well absorbed.

In the trapezoidal one in which the block units can be slightly rotated around the axis of the connecting member or the diamond-shaped one which can be rotated by 60 °, the external force can be absorbed by the displacement of the block unit. In the range of rotation, the center of gravity is on the bottom surface, so the stable state is maintained.

Further, the long and short block units have large trapezoidal convex portions on the upper and lower surfaces thereof, respectively, which are integrated with the main body by two.
Since three or three pieces are provided so as to project, the assembled concrete block of the present invention has a large number of irregularities on the entire circumference in the upper, lower, left, and right sides as a whole of the connected body, and it is a large eraser as an assembled concrete block as a connected body. In addition to having a wave effect, when the assembled concrete blocks are stacked and installed, the convex and concave parts on the left, right, top and bottom are engaged with each other, so that a stable and stable loading structure can be efficiently constructed. Become.

When a civil engineering structure is formed using the assembled concrete block of the present invention, side faces can be combined to form a stable dam body or weir, and since there are gaps, external forces due to waves and currents are dispersed. As a result, it is possible to prevent movement and falling even against a sudden external force, and further, the gap between the block units is an excellent habitat for small underwater animals.

[Brief description of drawings]

FIG. 1 is an external view of a block unit used in a first embodiment of the present invention. (A) is a perspective view of a short block unit. (B) is a side view of the short block unit. (C) is an end view of the short block unit. (D) is a perspective view of a long block unit.
(E) is a side view of a long block unit. (F) is an end view of the long block unit.

FIG. 2 is an outline view of a parallelogram-shaped assembled concrete block according to the first embodiment of the present invention. (A) is a side view. (B) is an end view. (C) is a side view of the block unit of row B. (D) is an end view of a different arrangement.

FIG. 3 is an outline view of an assembled concrete block of an application example of the parallelogram according to the first embodiment of the present invention .
(A) is a side view. (B) is an end view. (C)
[Fig. 6] is a side view of a block unit of row B.

FIG. 4 is an outline view of a trapezoidal assembled concrete block according to the second embodiment of the present invention. (A) is a side view. (B) is an end view. (C) is a side view of the block unit of row B.

FIG. 5 is an outline view of a triangular assembled concrete block according to the third embodiment of the present invention. (A) is a side view. (B) is an end view. (C) is a side view of the block unit of row B.

FIG. 6 is a side view of a civil engineering structure using the parallelogram-shaped assembled concrete block according to the first embodiment of the present invention .

FIG. 7 is a side view of a civil engineering structure using a triangular assembled concrete block according to a third embodiment of the present invention .

FIG. 8 is a side view of another civil engineering structure using the triangular assembled concrete block according to the third embodiment of the present invention .

[Explanation of symbols]

11 Short block unit 12 long block unit 13 Trapezoidal protrusion 14 recess 15 Spacer 16 connection holes 17 horizontal holes 18 Connection member 20 Assembled concrete block of parallelogram shape 21, 26, 31, 41 A rows 22, 27, 32, 42 Row B 25 Assembled concrete block of parallelogram shape 30 trapezoidal assembled concrete blocks 40 Triangular assembled concrete block 61 Rubble foundation 62 large stone 63 Rubble crest 64 Rubble slope 65 connecting blocks 70 levee 71 Lattice-breaking material 72 Triangular cavity 73 quarry stone 74 Placed concrete 75 Connected concrete block 76 large stone 80 weir 82 Triangular cavity 83 Foundation stones 89 Debris

Claims (3)

(57) [Claims] 1. At least one of a plurality of short block units and a plurality of long block units,
While sandwiching a spacer member provided in each block unit, while connecting in a plurality of rows by a connecting member through a connecting hole formed in the side surface of the block unit at a right angle direction,
An assembled concrete block for civil engineering that is three-dimensionally integrally assembled, wherein the short block unit and the long block unit are both upper and lower surfaces having trapezoidal convex portions on both sides in contact with an end surface, and both side surfaces, The short block unit has two connecting holes, the long block unit has three connecting holes, and the connecting hole has the upper surface and the upper surface. It is provided at an intermediate position with the lower surface at a right angle to the side surface, the distances between the centers of the connecting holes are all the same, and the end surface is a line of intersection between the end surface and the upper and lower surfaces, and the closest to the end surface. The distance from the center of the connecting hole is approximately 1 of the distance between the centers of the connecting holes.
The distance between the top surfaces of the trapezoidal protrusions formed on the upper surface and the lower surface is substantially equal to the distance between the centers of the connecting holes, and The upper and lower surfaces and the trapezoidal top surface such that the sum of the distance between the top surfaces of the trapezoidal protrusions and the distance between the upper surface and the lower surface is approximately 1.73 times the distance between the centers of the connecting holes. Assembled con
It is a cleat block, and the centers of the connecting holes of the short block unit and the long block unit are arranged on the straight lines of the upper and lower two rows parallel to each other, and the centers of the connecting holes on the upper and lower straight lines are respectively arranged. Are arranged so as to form an equilateral triangle, and one long block unit is arranged in each of the upper and lower rows corresponding to the centers of the three connecting holes from the center of the connecting holes at one end of the upper row and the lower row. A combination of a first one row in which one of the short block units inclined by 60 degrees is arranged corresponding to the center of each one connection hole at the other end of the lower row, and a combination of the first one row On the opposite side of the upper row and the lower row, from the center of the connecting holes at one end, one long block unit is arranged at each of the upper and lower ones corresponding to the centers of the three connecting holes. 6 corresponding to the center of one connecting hole The combination of the second one row in which the one short block unit inclined is arranged so that the corresponding corresponding connecting holes are aligned in a predetermined arrangement, and the connecting holes are desired. An assembled concrete block which is tightly secured by the connecting member with a spacer member sandwiched between rows of
The upper and lower surfaces of the block unit that forms the
The outer surfaces formed from the
And the assembled concrete blocks arranged in series
Are installed side by side on the subsoil including the riverbed
A civil engineering structure using an assembled concrete block for civil engineering characterized by being formed by . 2. At least one of a plurality of short block units and a plurality of long block units,
While sandwiching a spacer member provided in each block unit, while connecting in a plurality of rows by a connecting member through a connecting hole formed in the side surface of the block unit at a right angle direction,
An assembled concrete block for civil engineering that is three-dimensionally integrally assembled, wherein the short block unit and the long block unit are both upper and lower surfaces having trapezoidal convex portions on both sides in contact with an end surface, and both side surfaces, The short block unit has two connecting holes, the long block unit has three connecting holes, and the connecting hole has the upper surface and the upper surface. It is provided at an intermediate position with the lower surface at a right angle to the side surface, the distances between the centers of the connecting holes are all the same, and the end surface is a line of intersection between the end surface and the upper and lower surfaces, and the closest to the end surface. The distance from the center of the connecting hole is approximately 1 of the distance between the centers of the connecting holes.
The distance between the top surfaces of the trapezoidal protrusions formed on the upper surface and the lower surface is substantially equal to the distance between the centers of the connecting holes, and The upper and lower surfaces and the trapezoidal top surface such that the sum of the distance between the top surfaces of the trapezoidal protrusions and the distance between the upper surface and the lower surface is approximately 1.73 times the distance between the centers of the connecting holes. Assembled con
It is a cleat block, and the centers of the connecting holes of the short block unit and the long block unit are arranged in parallel in two upper and lower rows, three in the upper row and four in the lower row, respectively. The centers of the connecting holes on a straight line are arranged so as to form an equilateral triangle, and from the center of the connecting holes at one end of the upper row and the lower row, the upper row corresponds to the centers of the two connecting holes, and In the short block unit, one long block unit is arranged in the lower row corresponding to the centers of the three connecting holes, and one long block unit is arranged in the lower row corresponding to the centers of the respective one connecting holes at the other ends. A first one-row combination in which one of the short block units inclined by 60 degrees is arranged;
And a second one-row combination arranged in line symmetry are arranged in a predetermined arrangement so that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are arranged in a desired manner. It is an assembled concrete block that is trapezoidal in shape and is clamped by the connecting member with a spacer member sandwiched between rows.
To form the assembled concrete block.
The outer surfaces of the knit, formed from the upper and lower surfaces, touch each other.
Are continuously arranged as described above,
Ncrete block is on the bottom of the seabed including one or more rows of riverbed
Civil engineering characterized by being installed side by side
Civil engineering structures using prefabricated concrete blocks . 3. A plurality of long block units sandwiching a spacer member provided in each block unit, and connecting them in a plurality of rows by a connecting member through a connecting hole formed in a side surface of the block unit at a right angle direction, A three-dimensionally assembled concrete block for civil engineering, wherein the long block unit is composed of upper and lower surfaces having a trapezoidal convex portion on both sides in contact with an end surface, both side surfaces, and both end surfaces. The long block unit has three connecting holes, and the connecting holes are provided at an intermediate position between the upper surface and the lower surface at a right angle to the side surface. The distances between the centers are all the same, and the end surface has a line of intersection between the end surface and the upper and lower surfaces, and a distance between the center of the connecting hole closest to the end surface is the distance between the centers of the connecting holes. Almost The distance between the top surfaces of the trapezoidal protrusions formed on the upper surface and the lower surface formed at a position that is ½ is almost equal to the distance between the centers of the connecting holes, and the distance between the upper surface and the lower surface is set. The sum of the distance between the top surfaces of the trapezoidal convex portions and the distance between the upper surface and the lower surface is approximately 1.73 times the distance between the centers of the connecting holes, and the top and bottom surfaces of the trapezoidal shape. It is an assembled concrete block with faces formed ,
Insert a spacer member between the long block units to
Connect the connecting hole on the side of the block unit at right angles.
It is connected to multiple rows through a connecting member and
Assembled concrete block physically assembled together
In the sequence of the center of the coupling hole of the length block units, so as to form an equilateral triangle to one side of the line segment connecting the four coupling holes arranged in a line, three of the length of one column A combination of a first row arranged so that the centers of the connection holes at the ends of the long block units adjacent to each other on the extension line connecting the centers of the connection holes of the block units coincide with each other; The combination of rows and the combination of the second one row arranged in line symmetry are arranged in a predetermined arrangement such that the corresponding corresponding connecting holes are aligned with each other, and the connecting holes are arranged between desired rows. to be clamped in the connecting member across the spacer member entirely in pairs elevational concrete block formed in a triangular shape
A block forming the assembled concrete block
The outer surfaces of the upper and lower surfaces of the unit touch each other.
Are arranged in succession and are arranged in succession
Subsoil with 1 or more rows of standing concrete blocks
Characterized by being installed side by side and formed
Civil engineering structures using assembled concrete blocks for civil engineering.